Home / 791,107.45-1,091,733.52-428,531.31

Finding the Fourth Proportional to 791,107.45, 1,091,733.52 and 428,531.31

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Solution

The fourth proportional to 791,107.45, 1,091,733.52 and 428,531.31 is: 591,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,107.45 : 1,091,733.52 = 428,531.31 : x
  2. Step 2: Convert to fraction form
    791,107.45/1,091,733.52 = 428,531.31/x
  3. Step 3: Cross multiply
    791,107.45x = 1,091,733.52 × 428,531.31
  4. Step 4: Simplify right side
    791,107.45x = 467,841,995,496.51
  5. Step 5: Solve for x
    x = 467,841,995,496.51/791,107.45
  6. Step 6: Final answer
    x = 591,376.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.